Addendum circle

[机] 齿冠圆

🧩 词语组成解析

addendum [ə'dendəm]
n. 附加物;补遗;附录;<机>（齿轮的）齿顶（高）;
circle ['sɝkl]
n. 圆;圆状物;一圈;圈子; vt. 圈出，包围;绕…运转; vi. 环绕，盘旋;
circ圆+le名词后缀 → 圆，圈，环状物

🗣️ 情景例句

But first things first.
但事有先后。
I doubt that I'll do anything tomorrow.
我不确定我明天将做什么事。
I have a headache, and she has a stomachache.
我头疼，她胃疼。
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